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Attempts at induction of phenylalanine hydroxylase in thermophilic bacteria and induction of thermophily in mesophiles


, : Attempts at induction of phenylalanine hydroxylase in thermophilic bacteria and induction of thermophily in mesophiles. Research Communications in Chemical Pathology and Pharmacology 32(2): 329-334

Some moderate and extreme thermophilic bacteria grew well on media other than the recommended basic media. Attempts to induce phenylalanine hydroxylase (Phe H) in the various thermophiles as well as mild thermophily in the mesophiles Pseudomonas sp ATCC 11299a and Chromobacterium violaceum ATCC 12540 were unsuccessful. Evidence is presented indicating that the enzyme in the latter two organisms may be membrane bound. The level of Phe H activity induced was not always consistent with the level of the inducer phenylalanine (Phe) in the growth medium.

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PMID: 7244367


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